2102164 has 6 divisors (see below), whose sum is σ = 3678794. Its totient is φ = 1051080.

The previous prime is 2102143. The next prime is 2102167. The reversal of 2102164 is 4612012.

It can be written as a sum of positive squares in only one way, i.e., 1690000 + 412164 = 1300^2 + 642^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262767 + ... + 262774.

2^2102164 is an apocalyptic number.

It is an amenable number.

2102164 is a deficient number, since it is larger than the sum of its proper divisors (1576630).

2102164 is a wasteful number, since it uses less digits than its factorization.

2102164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525545 (or 525543 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2102164 is about 1449.8841333017. The cubic root of 2102164 is about 128.1018882762.

Adding to 2102164 its reverse (4612012), we get a palindrome (6714176).

The spelling of 2102164 in words is "two million, one hundred two thousand, one hundred sixty-four".